It has an octagonal shaped board and allows for up to 4 players. Each
player has a normal set of pieces (8 pawns, 2 knights, 2 bishops, 2 rooks,
a King and Queen). There are four colors of pieces: red, green, black,
and white.

By clicking links,the picture of everyone playing,then rules,you can see how each piece moves on the board.It is an excellent 4 man game compared with the other 4 man versions I have seen.It gets a little confusing in the center area,but once you figured it out it easy to start inflicting damage on your two opponents.

Long ago I saw something similar in the flesh, but with the Bishops and Knights the other way round (as in standard 2-handed Chess). Why have you swapped them round in this variant? Another question, which applies equally to the variant that I saw live (but which I did not think of then as I was so young), is what moves are valid for a Bishop moving through the eight central cells, and for a Knight moving through the borders between them? Good answers could lead to an uprating to Excellent!